Commit dbcd865b authored by Fabien Parent's avatar Fabien Parent Committed by Matthias Brugger
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arm64: dts: mediatek: mt8516: add support for APDMA 



Add support the APDMA IP on MT8516. APDMA is a DMA controller
for UARTs.

Signed-off-by: default avatarFabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20201209114736.70625-2-fparent@baylibre.com


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent 06ec50ec

arch/arm64/boot/dts/mediatek/mt8516.dtsi

+30 −0
Original line number Diff line number Diff line
@@ -276,6 +276,27 @@ gic: interrupt-controller@10310000 { 
				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;

		};



		apdma: dma-controller@11000480 {

			compatible = "mediatek,mt8516-uart-dma",

				     "mediatek,mt6577-uart-dma";

			reg = <0 0x11000480 0 0x80>,

			      <0 0x11000500 0 0x80>,

			      <0 0x11000580 0 0x80>,

			      <0 0x11000600 0 0x80>,

			      <0 0x11000980 0 0x80>,

			      <0 0x11000a00 0 0x80>;

			interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>,

				     <GIC_SPI 97 IRQ_TYPE_LEVEL_LOW>,

				     <GIC_SPI 98 IRQ_TYPE_LEVEL_LOW>,

				     <GIC_SPI 99 IRQ_TYPE_LEVEL_LOW>,

				     <GIC_SPI 100 IRQ_TYPE_LEVEL_LOW>,

				     <GIC_SPI 101 IRQ_TYPE_LEVEL_LOW>;

			dma-requests = <6>;

			clocks = <&topckgen CLK_TOP_APDMA>;

			clock-names = "apdma";

			#dma-cells = <1>;

		};



		uart0: serial@11005000 {

			compatible = "mediatek,mt8516-uart",

				     "mediatek,mt6577-uart";
@@ -284,6 +305,9 @@ uart0: serial@11005000 { 
			clocks = <&topckgen CLK_TOP_UART0_SEL>,

				 <&topckgen CLK_TOP_UART0>;

			clock-names = "baud", "bus";

			dmas = <&apdma 0

				&apdma 1>;

			dma-names = "tx", "rx";

			status = "disabled";

		};
@@ -295,6 +319,9 @@ uart1: serial@11006000 { 
			clocks = <&topckgen CLK_TOP_UART1_SEL>,

				 <&topckgen CLK_TOP_UART1>;

			clock-names = "baud", "bus";

			dmas = <&apdma 2

				&apdma 3>;

			dma-names = "tx", "rx";

			status = "disabled";

		};
@@ -306,6 +333,9 @@ uart2: serial@11007000 { 
			clocks = <&topckgen CLK_TOP_UART2_SEL>,

				 <&topckgen CLK_TOP_UART2>;

			clock-names = "baud", "bus";

			dmas = <&apdma 4

				&apdma 5>;

			dma-names = "tx", "rx";

			status = "disabled";

		};